GPT-4.1 Nano

GPT-4.1 Nano is a Azure OpenAI model available in Agent Serve. GPT-4.1 Nano is a Azure OpenAI model tracked in Agent Serve. It supports a 1.05M token context window. Pricing starts at $0.1/1M input tokens and $0.4/1M output tokens. Key capabilities include Temperature 0-2, Tool choice, Structured outputs.

GPT-4.1 Nano starts at $0.1/1M input tokens, $0.025/1M cached input tokens, and $0.4/1M output tokens.

GPT-4.1 Nano supports a context window of 1.05M tokens in Agent Serve. In an agent, this determines how much conversation history, tool outputs, and retrieved documents the model can hold in a single call.

GPT-4.1 Nano supports the following capabilities in Agent Serve: Temperature 0-2, Tool choice, Structured outputs, Max output 33k.

Best for long-context retrieval, large documents, and high-memory workflows. When used in an Agent Serve workflow, it can be selected in any Agent block from the model picker.